BEIJING, Aug. 29 (Xinhua) -- China National Offshore Oil Company Limited (CNOOC), China's largest offshore oil and gas producer, said on Wednesday that its net profit decreased by 10.6 percent from a year earlier to 14.55 billion yuan in the first half of 2007.

From January to June, the total revenue of the company decreased by 12.7 percent year-on-year to 42.22 billion yuan, with the basic earnings per share down 12.8 percent to 0.34 yuan. (One U.S. dollar equals 7.55 yuan)